References
- Doyle W, Crawford M. A., Laurance B. M., Drury P. Dietary survey during pregnancy in a low socioeconomic group. Hum Nutr Appl Nutr 1982; 36A: 93–106
- Crawford M. A., Doyle W, Craft I. L., Laurance BM. A comparison of food intake during pregnancy and birthweight in high and low socio-economic groups. Progr Lipid Res 1986; 25: 149–54
- Doyle W, Crawford M. A., Wynn AHA, Wynn SW. Maternal nutrient intake and birthweight. J Hum Nutr Diet 1989; 2: 415–422
- Paul A. A., Southgate DAT. McCance and Widdowson's The Composition of Foods, 4th edn. HMSO, London 1978
- Doyle W, Crawford M. A., Wynn AHA, Wynn SW. Maternal B vitamin intake and the outcome of pregnancy. Forthcoming
- Doyle W, Crawford M. A., Wynn A. H., Wynn SW. Maternal magnesium intake and pregnancy outcome. Magnesium Research 1989; 2(3)205–210
- Crawford M. A., Doyle W, Meadows N. Gender differences at birth and differences in fetal growth. Hum Reprod 1987; 2: 517–20
- Frisch RE. Food intake, fatness, and reproductive ability. Anorexia nervosa, RA Vigersky. Raven Press, New York 1977; 149–61
- Niswander K. R., Jackson EC. Physical characteristics of the gravida and their associations with birthweight and perinatal death. Am J Obstet Gynecol 1974; 119: 306–13
- Rush D, Alvir J. M., Kenny D. A., Johnson S. S., Horwitz DG. Historical study of pregnancy outcomes. In: The national WIC evaluation: evaluation of the special supplemental food program for women, infants and children. Am J Clin Nutr 1988; 38: 412–28
- Lechtig A. Effect of food supplementation during pregnancy on birth weight. Pediatrics 1975; 56: 508–10
- Spading L, Spatling G. Magnesium supplementation in pregnancy: a double blind study. Br J Obstet Gynaecol 1988; 95: 120–5
- Wynn A, Wynn M. Magnesium and other nutrient deficiencies as possible causes of hypertension and low birthweight. Nutrition and Health 1988; 6: 69–88
- Bryce-Smith D, Ward N. J., Zaaijman J. T., Minstri MJ. Element levels in human maternal and fetal blood; results for 30 elements. Paper presented at the 1st Symposium on Preconception Care. Charing Cross Hospital, London 1985
- Seelig MS. Magnesium deficiency in the pathogenesis of disease. Plenum Medical Books, New York 1980
- Pao M. L., Patel TV. Problem nutrients in the United States. Food Technol 1981; 35: 58–69
- Gontzea J. The nutrition of the pregnant and nursing woman and its significance for the health of mother and child (in German). Fischer, Jena 1965; 265
- Hamfelt A, Tuvemo T. Pyridoxal phosphate in cord blood and erythrocyte aspartate aminotransferase activity during pregnancy. Clin Chim Acta 1972; 41: 287–91
- Van den Berg H, Schreurs WHP, Joosten GPA. Evaluation of the vitamin status in pregnancy. Intemat J Vit Nutr Res 1978; 48: 12–21
- Reinken L, Dapunt O. Vitamin B6 nutriture in pregnancy. Internat J Vit Nutr Res 1978; 48: 341–7
- Ford J. E., Zechalko A, Murphy J, Brooke OG. Comparison of the B vitamin composition of milk from mothers of preterm and term babies. Arch Dis Childh 1983; 58: 367–72
- Arakawa T, Mizono T, Honda Y. Longitudinal study on maturation patterns of EEG basic waves of infants fed on milk from mothers with low serum folate. Tohoku J Exp Med 1970; 102: 81–90
- Nelson M. M., Lyons W. R., Evans HM. Maintenance of pregnancy in pyridoxine deficient rats when injected with estrone and progesterone. Endocrinology 1951; 48: 726–32
- Nelson M. M., Lyons W. R., Evans HM. Comparison of ovarian and pituitary hormones for maintenance of pregnancy in pyridoxine-deficient rats. Endocrinology 1953; 52: 585–9
- Nelson M. M., Evans HM. Relation of thiamine to reproduction in the rat. J Nutr 1955; 55: 151–63
- Callard I. P., Leathern JH. Pregnancy maintenance in protein deficient rats. Acta Endocrinol 1970; 63: 539–44
- Watteville H, Jurgens R, Pfalz H. Einfluss von Vitaminmangel auf Fruchtbarkeit Schwangerschat und Nachkommen. Schweiz Med Wochn 1954; 84: 875–82